Home / 820,232.33-1,131,465.71-480,634.97

Finding the Fourth Proportional to 820,232.33, 1,131,465.71 and 480,634.97

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Solution

The fourth proportional to 820,232.33, 1,131,465.71 and 480,634.97 is: 663,009.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,232.33 : 1,131,465.71 = 480,634.97 : x
  2. Step 2: Convert to fraction form
    820,232.33/1,131,465.71 = 480,634.97/x
  3. Step 3: Cross multiply
    820,232.33x = 1,131,465.71 × 480,634.97
  4. Step 4: Simplify right side
    820,232.33x = 543,821,983,126.14
  5. Step 5: Solve for x
    x = 543,821,983,126.14/820,232.33
  6. Step 6: Final answer
    x = 663,009.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.